I find the grind to be too slow, I try and click combos as quickly as possible. I think if you added bonuses we can purchase with points or goo that helps make the combos go faster I think the game might be more enjoyable. the auto click is of not use ether perhaps a way to upgrade that as well... got a lot of room for some upgrades it definitely needs more
I max out everything, loose over and over again to get to Princess, I close the game completely, go back in the game and bam I win the game.... the game was so so there is room for improvement.
I admit I have only played it a little bit but the fact that P doesn't pause combined with the idiotic mechanic of having to move your mouse to get gold and upgrades making you fire where no enemies are was the straw that made me stop playing. Let me know when you have fixed it so we dont have to click to collect money, the game mechanics does not support this feature. Have the money and/or power ups bounce across the ground or even allow if we shot it anywhere on the screen we get the power up / money. please let me know when you have addressed these two features and I may come back and try the game again.
In the world map, there's a mute button on top right corner.